Shereen Lawrence, 32, of Hillcrest Road, was sentenced to five years, along with 34-year-old Sunny Taiwo, of Holt Road in Beckton, at the Inner London Crown Court.

Taiwo, described by police as a dangerous offender, was jailed for 18 years after being convicted of four counts of possession of a prohibited firearm, one count of possession of a firearm without a firearm certificate, three counts of possession of a firearm with intent to endanger life and two counts of possession of ammunition without a firearm certificate.